package com.wanxi.servlet;

import com.alibaba.fastjson.JSONObject;
import com.wanxi.dto.ResultDTO;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

//@WebFilter("/*")
//public class MyFilter extends HttpFilter {
//    @Override
//    protected void doFilter(HttpServletRequest req, HttpServletResponse res, FilterChain chain) throws IOException, ServletException {
////        只要判断是否已经登录即可
////        后台应该过滤掉不需要判断登录的页面
////        静态资源文件需要放行，登录页面也需要放行
////        如果拿不到上面的资源，那么可以考虑过滤哪些接口？
////        req.setCharacterEncoding("UTF-8");
////        res.setCharacterEncoding("UTF-8");
//        String path = req.getServletPath();
//        if (path.startsWith("/back/")) {
//            String username = (String) req.getServletContext().getAttribute("username");
////            String username = (String) req.getSession().getAttribute("username");
//            if (username == null) {
//                res.getWriter().println(JSONObject.toJSONString(ResultDTO.getResult("未登录")));
////                res.sendRedirect("/html/login.html");
//            } else {
//// 放行
//                chain.doFilter(req, res);
//            }
//        } else {
//            chain.doFilter(req, res);
//        }
//
//    }
//}
